The act of editing an individual's Facebook status and personal information when they have left their account logged in and unattended.
Wow, my Facebook status says "I love cock in my mouth!" That was an intense face-bomb.
To comment, like, and do anything to make sure you've left your presence on someone's facebook page
Usually ending in 99 notifications when the user (victim) logs in. All from you!
a) I logged into my account only to find I'd been facebombed!
b) Hay Mikey,
Let's Facebomb Kat's profile!
The act of systematically going through all of your facebook friends who are currently online and leaving (often short) wall posts for all or many of them. This is done with the hope of receiving a lot of wall posts in reply.
1. "Dude, I just spent the last half hour face-bombing my friends."
2. "All you do is face-bomb. It's so impersonal!"
A meme that involves isolating one face within a group photo and photoshopping it over every person’s face.
Person A: Someone guy behind us photobombed our beach pic, but his face was so hilarious that I photoshopped it on all of our faces.
Person B: OMG no way let me see!
Person B: DUDE what an awesome facebomb, get that on 4chan ASAP!
to cover someone else's facebook
wall with comments; to become the only poster on a facebook
"I posted like, fifteen messages on her wall today! It was a total facebomb!"
Commenting on every new story on Facebook list while drunk.
Damn, last night I was drunk and I think I did a facebomb! Shit everyone on Facebook hates me now!
To add someone as a friend on Facebook, and then adding ALL of their friends, regardless if you know them or not, for the sake of gaining online friends
Carl totally face-bomb ed me the other day >:|